Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 25R
What is the minimum and maximum length a part can be if it is shown as needing to be
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I need to calculate Fdy, Fby, Fbx
Figure 3 shows the numerical solution of the advection equation for a scalar u along x at three
consecutive timesteps.
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0.4-
0.2
0.0-
-0.2-
-0.4-
-0.6
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T
T
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
Figure 3: Advection equation, solution for three different timesteps.
a) Provide an explanation what conditions and numerical setup could explain the curves. Identify
which of the three curves is the first, second and third timestep.
please solve the following problem
Chapter 20 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 20 - What are two ways math is most commonly used in...Ch. 20 - What is the two-letter abbreviation for the metric...Ch. 20 - List factors that affect the cost of producing...Ch. 20 - List three examples of whole numbers.Ch. 20 - List three examples of decimal fractions.Ch. 20 - List three examples of a mixed unit.Ch. 20 - List three examples of fractions.Ch. 20 - Add the following angles: a. 3050+205 b. 2525+6245Ch. 20 - Subtract the following angles: a. 45481020 b....Ch. 20 - Using the Pythagorean theorem, find c if a=6 and...
Ch. 20 - Sketch a right triangle, equilateral triangle, and...Ch. 20 - Find the area of the following: a. Square that is...Ch. 20 - Find the volume of the following: a. 5 cube b. 10...Ch. 20 - What would the labor cost be if 20 hours were...Ch. 20 - What is the first step in the sequence of...Ch. 20 - If you need two pieces of pipe—one must be 15 ft...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many feet of scrap pipe will you have left...Ch. 20 - How much scrap pipe will you have once you cut out...Ch. 20 - When the denominators of two fractions to be added...Ch. 20 - How thick will the finished part be if two pieces...Ch. 20 - How much metal is left if 1/8 in. is ground off a...Ch. 20 - What is a dimensioning tolerance?Ch. 20 - What is the minimum and maximum length a part can...Ch. 20 - Give examples of welding applications where angles...Ch. 20 - Write the Pythagorean Theorem formula for a right...Ch. 20 - What is the name of a triangle where all three...Ch. 20 - Why is it important to know the perimeter...Ch. 20 - In what welding applications might you need to...Ch. 20 - List examples of fixed and variable costs that...Ch. 20 - List examples of overhead costs that a welding...Ch. 20 - When estimating weld cost, what weld joint design...Ch. 20 - When a weld is oversized, what joint failure...Ch. 20 - How does the bevel angle in a groove weld affect...Ch. 20 - What is the cross-sectional area of a V-groove...Ch. 20 - What is the cross-sectional area of a fillet weld...Ch. 20 - What two amounts must be multiplied to determine...Ch. 20 - How many pounds of steel electrode are required to...Ch. 20 - Not every pound of electrode filler metal used is...Ch. 20 - What does it mean if an electrode has a 50...Ch. 20 - What is the meaning of the term deposition rate?Ch. 20 - What factor is not included in the deposition...Ch. 20 - Why do flux cored wires have a higher deposition...Ch. 20 - If a welding project has a 45% operating factor,...
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- A 5 cm external diameter, 10 m long hot water pipe at 80 degrees C is losing heat to the surrounding air at 5 degrees C by natural convestion with a heat transfer coefficient of 25 W/m^2 K. Determine the rate of heat loss from the pipe by natural convection.arrow_forwardThe outer surface of a spacecraft in space has emissivity of 0.8 and a solar absorptivity of 0.3. If solar radiation in incident on the spacecraft at a rate of 950 W/m^2, determine the surface temp of the spacecraft when the radiation emitted equals the solar energy absorbed.arrow_forwardOf the following pairs of material types, indicate whether any of them satisfy the condition that both elements of the pair are generically related to the property of ductility.(A). Yes, ceramics and polymers.(B). No, none of the pairs.(C). Yes, metals and ceramics.(D). Yes, polymers and metals.arrow_forward
- Both Fouriers law of heat conduction and ficks law of mass diffusion can be expressed as Q=-kA(dT/dx). What do the quantities Q, k, a and T represent in a) heat conduction b)mass diffusionarrow_forward(9) Figure Q9 shows a 2 m long symmetric I beam where the upper and lower sections are 2X wide and the middle section is X wide, where X is 31 mm. The I beam sections are all Y=33 mm in depth. The beam is loaded in the middle with a load of Z=39 kN causing reaction forces at either end of the beam's supports. What is the maximum (positive) bending stress experienced in the beam in terms of mega-Pascals? State your answer to the nearest whole number. Y mm Y mm Y mm Xmm 2X mm Figure Q9 Z KN 2 marrow_forward(5) Figure Q5 shows a beam which rests on two pivots at positions A and C (as illustrated below). The beam is loaded with a UDL of 100 kN/m spanning from position B and ending at position D (as illustrated). The start location of B is Y=1.2 m from A. The total span of the UDL is twice the length of Z, where Z=2.2 m. What is the bending moment value at position X=2.5 m, (using the convention given to you in the module's formula book). State your answer in terms of kilo-Newton-metres to 1 decimal place. Bending Moment Value? UDL = 100 kN/m A Ym X = ? B Zm Figure Q5 C * Zm Darrow_forward
- You are required to state your answer in millimetres to the nearest whole number. 30 mm 30 mm A. No Valid Answer B. 27 ○ C. 26 O D.33 ○ E. 34 30 mm 50 mm Figure Q14 1marrow_forwardA beam supports a uniform load and an axial load P = 30 kips. If the maximum allowable tensile stress in the beam is 24 ksi and a maximum allowable compressive stress is 20 ksi, what uniform load can the beam support? Assume P passes through the centroid of the section.arrow_forwardBending Moment Value? 40 kN 100 kN 100 kN 100 kN 40 kN A B C D E Ym Zm Zm Ym X = ?arrow_forward
- (4) Figure Q4 shows a symmetrically loaded beam. The beam is loaded at position A (x = 0 m) and the end of the beam at position E with 30 kN. There is an additional load of 101 kN both at position B (Y = 0.87 m), in the middle at C and at position D. The middle section is 2Z, where Z = 0.82 m). Given that the reaction forces at RB and RD both equal 180 kN, calculate the Bending Moment value (using the convention given to you in the module's formula book) at a position of x=2.30m. State your answer in terms of kilo-Newton-metres to one decimal place. Bending Moment Value? 40 kN 100 kN 100 kN 100 kN 40 kN B D E Ym Zm Zm Ym X = ? Figure Q4arrow_forward(8) Figure Q8 shows a T cross-section of a T beam which is constructed from three metal plates each having a width of 12 mm and sectional engths of X=72 mm, Y=65 mm and Z=88 mm, where the plates are used for the web section, and the two flange sections respectively, as llustrated in Figure Q8. Calculate the neutral axis of the T-beam cross-section (as measured from the base) in units of millimetres, stating your answer to the nearest 1 decimal place. Z mm Y mm 12 mm X mm Figure Q8 12 mm 12 mmarrow_forward(10) A regular cross-section XXY mm beam, where X-94 m and Y=62 m and 1800 mm long, is loaded from above in the middle with a load of Z=2 kN causing a compressive Bending Stress at the top of the beam and tensile Bending Stress at the bottom of the beam. The beam in addition experiences a tensile end loading in order to reduce the compressive stress in the beam to a near zero value. The configuration of the beam is illustrated in Figure Q10. Calculate the end loading force required in order to reduce total compressive stress experienced in the beam to be near zero? State your answer to the nearest 1 decimal place in terms of kilo-Newtons. Z kN Y mm 1800 mm X mm ? KN Figure Q10 ? KNarrow_forward
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